I built a COM component to allow for the taking of pictures from a webcam in PowerBuilder. The component itself was done in Visual Studio 2010 in C# and makes use of a web camera control created to use the Directshow API library available as part of the Windows SDK. You can find more information…
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Getting your COM component Registered for use with PowerBuilder
Getting your COM component Registered for use with PowerBuilder - the full story »
Sending iCalendar events via a .Net Assembly and SQLServer stored procedure
As I’ve mentioned in earlier posts, the iCalendar format is a standard way to send event information to a variety of email/scheduling systems (Outlook, Google, etc.). Here is a way to set it up so that you can simply call a stored procedure to send the event. This assumes you have SQL Server set up…
PowerBuilder – Using C# Visual Objects in PB Classic Applications
This article will explain how to build a COM visual component in C# using Visual Studio 2010; it is an extension of my earlier example of using the Interop Forms Toolkit to build a Visual Basic COM object. First you need to install the Microsoft Interop Toolkit (available here). Then download the C# Interop Form…
PowerBuilder – Accessing C# Classes via COM to Capture a Screenshot
I was working with setting up screen capture functionality from within a PB11.5 application recently and came up against a wall which forced me to rethink my strategy. Initially I was using External Functions to the Windows gdi32.dll but had issues with my code causing it to ‘stop working’ after a few files were written.…
